AD 92-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/R-522 | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/S-522 | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/R | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/RA | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 400A | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | HS.125 Series 600A | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
| aircraft | Textron Aviation Inc. | HS.125 Series 700A | BRITISH AEROSPACE Model DH/HS 125 Series Airplanes |
Unsafe Condition
Corrosion on the main landing gear (MLG) support brackets, rear spar sections, inboard flap hinge arms, and associated attachment hardware could lead to loss of structural integrity and possible collapse of the MLG on landing or take-off.
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Required Actions
Perform a one-time visual inspection for corrosion on the MLG components per SB 57-76 within 12 months after the effective date. Replace or repair corroded parts prior to further flight if corrosion is found, with repair methods approved by the FAA if beyond SRM limits.
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Compliance Time
Within 12 months after the effective date of this AD
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Affected Aircraft
Model DH/HS 125 series airplanes as listed in British Aerospace Service Bulletin SB 57-76, dated December 31, 1991, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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